Using two separate hard drives one one computer

[Art]

Operating system is located on drive 'C' and program files are located on
drive 'D'. After start-up I cannot access program start files in drive 'D'

 

[Harry]

Operating system is located on  drive 'C' and program files are locatedon
drive 'D'.  After start-up I cannot access program start files in drive'D'

Start from here:
http://catb.org/~esr/faqs/smart-questions.html
Read this section:
Be precise and informative about your problem

 

[Shenan Stanley]

Operating system is located on drive 'C' and program files are located on
drive 'D'. After start-up I cannot access program start files in drive
'D'

Are these two physically different hard disk drives or one hard disk drive
with two partitions?

What do *you* mean by "cannot access program start files in drive 'D'"? Be
very descriptive.

What happened to get you to this state?